feat: add lint check of front-end (#534)

* feat: add lint check of front-end

* add pnpm installation

* add pnpm installation

.github/workflows/lint.yaml

@@ -28,4 +28,37 @@ jobs:
     - name: Run linters
       run: |
         source .venv/bin/activate
-        make lint
+        make lint
+
+  lint-frontend:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '22'
+
+    - name: Install pnpm
+      run: npm install -g pnpm
+
+    - name: Install frontend dependencies
+      run: |
+        cd web
+        pnpm install --frozen-lockfile
+
+    - name: Run frontend linting
+      run: |
+        cd web
+        pnpm lint
+
+    - name: Check TypeScript types
+      run: |
+        cd web
+        pnpm typecheck
+
+    - name: Build frontend
+      run: |
+        cd web
+        pnpm build